Name of Subject  : MICROWAVE AND SATELLITE COMMUNICATION (6 CS 6.3)

Unit

Contents

Microwave Transmission System:  General representation of E M field in terms of TEM, TE and TM components,

Uniform guide structures, rectangular wave guides, Circular Wave guides,  Solution in terms of various modes,

Properties of propagating and evanescent modes, Dominant modes, Normalized model voltages and currents,

I

Power flow and energy storage in modes frequency range of operation for single mode working, effect of higher

order modes, Strip line and micro strip lines-general properties, Comparison of coaxial, Micro strip and rectangular

wave guides in terms of band width, power handling capacity, economical consideration etc.

Origin and brief history of satellite communication; Elements of a satellite communication link; Current status of

satellite communication. Orbital Mechanism and Launching of Satellite

:

Equation of orbit, Describing the orbit,

II

Location the satellite in the orbit, Locating the satellite with respect to earth, Orbital elements, Look angle

determination, Elevation and Azimuth calculation, Geostationary and other orbits, Orbital perturbations, Orbit

determination, Mechanics of launching a synchronous satellite, Selecting a launch vehicle.

Space Craft: Satellite subsystems, Altitude and Orbit Control (AOCS), Telemetry, Tracking and Command (TT&C).

Communication subsystems, Transponders, Spacecraft antennas, Frequency re-use antennas.

III

Satellite Channel and Link Design: Basic transmission theory, Noise temperature, Calculation of system noise

temperature, Noise figure, G/T ratio of earth stations, Design of down links and uplinks using C/N ratio, FM

IV

improvement factor for multi-channel signals, Link Design for FDM/FM, TV signals and Digital Signals.

Earth Station Technology: Earth station design, Basic antenna theory, antenna noise temperature; Tracking;

V